9985471 has 8 divisors (see below), whose sum is σ = 10188864. Its totient is φ = 9784320.

The previous prime is 9985453. The next prime is 9985499. The reversal of 9985471 is 1745899.

9985471 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9985471 - 2¹¹ = 9983423 is a prime.

It is a super-3 number, since 3×9985471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10506 + ... + 11416.

It is an arithmetic number, because the mean of its divisors is an integer number (1273608).

Almost surely, 2^9985471 is an apocalyptic number.

9985471 is a deficient number, since it is larger than the sum of its proper divisors (203393).

9985471 is a wasteful number, since it uses less digits than its factorization.

9985471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its digits is 90720, while the sum is 43.

The square root of 9985471 is about 3159.9795885417. The cubic root of 9985471 is about 215.3390791588.

The spelling of 9985471 in words is "nine million, nine hundred eighty-five thousand, four hundred seventy-one".